public static bool Restore(SelectionPositionPreservationCookie cookie, MarkupRange selection, MarkupRange bounds) { if (cookie == null) { return(false); } return(cookie.Restore(selection, bounds)); }
private void ApplyBlockStyle(_ELEMENT_TAG_ID styleTagId, MarkupRange selection, MarkupRange maximumBounds, MarkupRange postOpSelection) { Debug.Assert(selection != maximumBounds, "selection and maximumBounds must be distinct objects"); SelectionPositionPreservationCookie selectionPreservationCookie = null; //update the range cling and gravity so it will stick with the re-arranged block content selection.Start.PushCling(false); selection.Start.PushGravity(_POINTER_GRAVITY.POINTER_GRAVITY_Left); selection.End.PushCling(false); selection.End.PushGravity(_POINTER_GRAVITY.POINTER_GRAVITY_Right); try { if (selection.IsEmpty()) { //nothing is selected, so expand the selection to cover the entire parent block element IHTMLElementFilter stopFilter = ElementFilters.CreateCompoundElementFilter(ElementFilters.BLOCK_ELEMENTS, new IHTMLElementFilter(IsSplitStopElement)); MovePointerLeftUntilRegionBreak(selection.Start, stopFilter, maximumBounds.Start); MovePointerRightUntilRegionBreak(selection.End, stopFilter, maximumBounds.End); } using (IUndoUnit undo = _editor.CreateSelectionUndoUnit(selection)) { selectionPreservationCookie = SelectionPositionPreservationHelper.Save(_markupServices, postOpSelection, selection); if (selection.IsEmptyOfContent()) { ApplyBlockFormatToEmptySelection(selection, styleTagId, maximumBounds); } else { ApplyBlockFormatToContentSelection(selection, styleTagId, maximumBounds); } undo.Commit(); } } finally { selection.Start.PopCling(); selection.Start.PopGravity(); selection.End.PopCling(); selection.End.PopGravity(); } if (!SelectionPositionPreservationHelper.Restore(selectionPreservationCookie, selection, selection.Clone())) { selection.ToTextRange().select(); } }
public static bool Restore(SelectionPositionPreservationCookie cookie, MarkupRange selection, MarkupRange bounds) { if (cookie == null) return false; return cookie.Restore(selection, bounds); }